If a=(2x-5) and b=(2x+5),show that ab+25 =x square 4​

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Solve for x. −3/4(x+2)=6 enter your answer in the box